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bcachefs? (programming.dev)

submitted 9 months ago by actual_patience@programming.dev to c/linux@programming.dev

13 comments fedilink hide all child comments

I was wondering if anyone here has attempted the new "COW filesystem for Linux that won't eat your data".

It's supposedly has been stable since the start of 2023. I'm willing to give it a try on Arch, but before I do, I'd like to hear if anyone has faced any issues with it.

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[–] backhdlp@iusearchlinux.fyi 8 points 9 months ago (1 children)

I want to try it, but I'm definitely gonna wait a while first.

[–] actual_patience@programming.dev 2 points 9 months ago (2 children)

How long do you think?

[–] technom@programming.dev 3 points 9 months ago

Until you start seeing its reviews. Or else, you should try using it for data you can afford to lose (unimportant or backed up) - which is what reviewers would be doing anyway.

[–] backhdlp@iusearchlinux.fyi 1 points 9 months ago

Probably somewhere between kernel 6.8 and Fedora making it default (that's broad I know). I'm guessing around kernel 7.

[–] overkill@feddit.de 7 points 9 months ago (1 children)

I'm looking forward to try it myself... and also wondering if I'll ever be able to read it as b-cache-fs rather than bca-chefs.

[–] actual_patience@programming.dev 5 points 9 months ago

Hmm... "baka-chefs". Rolls off the tongue. Thanks for sharing!

[–] bitcrafter@programming.dev 7 points 9 months ago (1 children)

I am unfamiliar with this filesystem, and am curious about it. Could someone explain to me its benefits over btrfs?

[–] actual_patience@programming.dev 7 points 9 months ago (2 children)

From what I understand:

it has all btrfs features
it's as performant as ext4 (with COW enabled)
it's more stable than btrfs
it has built-in encryption, (no LUKS needed)

The page in Gentoo explains it's features well

[–] technom@programming.dev 9 points 9 months ago

It's still missing the send and receive features from btrfs. And while they say it's more stable than btrfs, it's yet to prove itself (through widespread use), and is marked as experimental in the kernel config.

[–] DeprecatedCompatV2@programming.dev 3 points 9 months ago* (last edited 9 months ago) (1 children)

I recall snapshots not being quite as cheap as on ZFS.

[–] technom@programming.dev 1 points 9 months ago

Is there an article I can refer to? This isn't an easy topic to search for.

[–] Illecors@lemmy.cafe 7 points 9 months ago

I'm itching to try it, but haven't had a chance, yet. I wouldn't immediately jump a production load onto it, but on a homelab? Should be perfectly fine.

[–] CJJackson@programming.dev 1 points 7 months ago

I heard good things about bcachefs, it’s quite new I’d wait a few years before giving it a try; ideally until every major distro support it.

I’m currently using Btrfs and Luks, I didn’t have any issue so far.